1 /* SPDX-License-Identifier: ISC */
3 #include <linux/firmware.h>
8 #define MCU_SKB_RESERVE 8
10 struct mt7603_fw_trailer {
17 __mt7603_mcu_msg_send(struct mt7603_dev *dev, struct sk_buff *skb,
18 int cmd, int *wait_seq)
20 int hdrlen = dev->mcu_running ? sizeof(struct mt7603_mcu_txd) : 12;
21 struct mt76_dev *mdev = &dev->mt76;
22 struct mt7603_mcu_txd *txd;
25 seq = ++mdev->mmio.mcu.msg_seq & 0xf;
27 seq = ++mdev->mmio.mcu.msg_seq & 0xf;
29 txd = (struct mt7603_mcu_txd *)skb_push(skb, hdrlen);
30 memset(txd, 0, hdrlen);
32 txd->len = cpu_to_le16(skb->len);
33 if (cmd == -MCU_CMD_FW_SCATTER)
34 txd->pq_id = cpu_to_le16(MCU_PORT_QUEUE_FW);
36 txd->pq_id = cpu_to_le16(MCU_PORT_QUEUE);
37 txd->pkt_type = MCU_PKT_ID;
42 txd->set_query = MCU_Q_NA;
44 txd->cid = MCU_CMD_EXT_CID;
46 txd->set_query = MCU_Q_SET;
53 return mt76_tx_queue_skb_raw(dev, MT_TXQ_MCU, skb, 0);
57 mt7603_mcu_msg_send(struct mt76_dev *mdev, int cmd, const void *data,
58 int len, bool wait_resp)
60 struct mt7603_dev *dev = container_of(mdev, struct mt7603_dev, mt76);
61 unsigned long expires = jiffies + 3 * HZ;
62 struct mt7603_mcu_rxd *rxd;
66 skb = mt7603_mcu_msg_alloc(data, len);
70 mutex_lock(&mdev->mmio.mcu.mutex);
72 ret = __mt7603_mcu_msg_send(dev, skb, cmd, &seq);
77 bool check_seq = false;
79 skb = mt76_mcu_get_response(&dev->mt76, expires);
82 "MCU message %d (seq %d) timed out\n",
84 dev->mcu_hang = MT7603_WATCHDOG_TIMEOUT;
89 rxd = (struct mt7603_mcu_rxd *)skb->data;
100 mutex_unlock(&mdev->mmio.mcu.mutex);
106 mt7603_mcu_init_download(struct mt7603_dev *dev, u32 addr, u32 len)
113 .addr = cpu_to_le32(addr),
114 .len = cpu_to_le32(len),
115 .mode = cpu_to_le32(BIT(31)),
118 return __mt76_mcu_send_msg(&dev->mt76, -MCU_CMD_TARGET_ADDRESS_LEN_REQ,
119 &req, sizeof(req), true);
123 mt7603_mcu_send_firmware(struct mt7603_dev *dev, const void *data, int len)
125 int cur_len, ret = 0;
128 cur_len = min_t(int, 4096 - sizeof(struct mt7603_mcu_txd),
131 ret = __mt76_mcu_send_msg(&dev->mt76, -MCU_CMD_FW_SCATTER,
132 data, cur_len, false);
144 mt7603_mcu_start_firmware(struct mt7603_dev *dev, u32 addr)
150 .override = cpu_to_le32(addr ? 1 : 0),
151 .addr = cpu_to_le32(addr),
154 return __mt76_mcu_send_msg(&dev->mt76, -MCU_CMD_FW_START_REQ,
155 &req, sizeof(req), true);
159 mt7603_mcu_restart(struct mt76_dev *dev)
161 return __mt76_mcu_send_msg(dev, -MCU_CMD_RESTART_DL_REQ,
165 static int mt7603_load_firmware(struct mt7603_dev *dev)
167 const struct firmware *fw;
168 const struct mt7603_fw_trailer *hdr;
169 const char *firmware;
174 if (is_mt7628(dev)) {
175 if (mt76xx_rev(dev) == MT7628_REV_E1)
176 firmware = MT7628_FIRMWARE_E1;
178 firmware = MT7628_FIRMWARE_E2;
180 if (mt76xx_rev(dev) < MT7603_REV_E2)
181 firmware = MT7603_FIRMWARE_E1;
183 firmware = MT7603_FIRMWARE_E2;
186 ret = reject_firmware(&fw, firmware, dev->mt76.dev);
190 if (!fw || !fw->data || fw->size < sizeof(*hdr)) {
191 dev_err(dev->mt76.dev, "Invalid firmware\n");
196 hdr = (const struct mt7603_fw_trailer *)(fw->data + fw->size -
199 dev_info(dev->mt76.dev, "Firmware Version: %.10s\n", hdr->fw_ver);
200 dev_info(dev->mt76.dev, "Build Time: %.15s\n", hdr->build_date);
202 addr = mt7603_reg_map(dev, 0x50012498);
203 mt76_wr(dev, addr, 0x5);
204 mt76_wr(dev, addr, 0x5);
207 /* switch to bypass mode */
208 mt76_rmw(dev, MT_SCH_4, MT_SCH_4_FORCE_QID,
209 MT_SCH_4_BYPASS | FIELD_PREP(MT_SCH_4_FORCE_QID, 5));
211 val = mt76_rr(dev, MT_TOP_MISC2);
213 dev_info(dev->mt76.dev, "Firmware already running...\n");
217 if (!mt76_poll_msec(dev, MT_TOP_MISC2, BIT(0) | BIT(1), BIT(0), 500)) {
218 dev_err(dev->mt76.dev, "Timeout waiting for ROM code to become ready\n");
223 dl_len = le32_to_cpu(hdr->dl_len) + 4;
224 ret = mt7603_mcu_init_download(dev, MCU_FIRMWARE_ADDRESS, dl_len);
226 dev_err(dev->mt76.dev, "Download request failed\n");
230 ret = mt7603_mcu_send_firmware(dev, fw->data, dl_len);
232 dev_err(dev->mt76.dev, "Failed to send firmware to device\n");
236 ret = mt7603_mcu_start_firmware(dev, MCU_FIRMWARE_ADDRESS);
238 dev_err(dev->mt76.dev, "Failed to start firmware\n");
242 if (!mt76_poll_msec(dev, MT_TOP_MISC2, BIT(1), BIT(1), 500)) {
243 dev_err(dev->mt76.dev, "Timeout waiting for firmware to initialize\n");
249 mt76_clear(dev, MT_SCH_4, MT_SCH_4_FORCE_QID | MT_SCH_4_BYPASS);
251 mt76_set(dev, MT_SCH_4, BIT(8));
252 mt76_clear(dev, MT_SCH_4, BIT(8));
254 dev->mcu_running = true;
255 snprintf(dev->mt76.hw->wiphy->fw_version,
256 sizeof(dev->mt76.hw->wiphy->fw_version),
257 "%.10s-%.15s", hdr->fw_ver, hdr->build_date);
258 dev_info(dev->mt76.dev, "firmware init done\n");
261 release_firmware(fw);
266 int mt7603_mcu_init(struct mt7603_dev *dev)
268 static const struct mt76_mcu_ops mt7603_mcu_ops = {
269 .mcu_send_msg = mt7603_mcu_msg_send,
270 .mcu_restart = mt7603_mcu_restart,
273 dev->mt76.mcu_ops = &mt7603_mcu_ops;
274 return mt7603_load_firmware(dev);
277 void mt7603_mcu_exit(struct mt7603_dev *dev)
279 __mt76_mcu_restart(&dev->mt76);
280 skb_queue_purge(&dev->mt76.mmio.mcu.res_q);
283 int mt7603_mcu_set_eeprom(struct mt7603_dev *dev)
285 static const u16 req_fields[] = {
286 #define WORD(_start) \
289 #define GROUP_2G(_start) \
294 MT_EE_NIC_CONF_0 + 1,
295 WORD(MT_EE_NIC_CONF_1),
296 MT_EE_WIFI_RF_SETTING,
297 MT_EE_TX_POWER_DELTA_BW40,
298 MT_EE_TX_POWER_DELTA_BW80 + 1,
299 MT_EE_TX_POWER_EXT_PA_5G,
300 MT_EE_TEMP_SENSOR_CAL,
301 GROUP_2G(MT_EE_TX_POWER_0_START_2G),
302 GROUP_2G(MT_EE_TX_POWER_1_START_2G),
303 WORD(MT_EE_TX_POWER_CCK),
304 WORD(MT_EE_TX_POWER_OFDM_2G_6M),
305 WORD(MT_EE_TX_POWER_OFDM_2G_24M),
306 WORD(MT_EE_TX_POWER_OFDM_2G_54M),
307 WORD(MT_EE_TX_POWER_HT_BPSK_QPSK),
308 WORD(MT_EE_TX_POWER_HT_16_64_QAM),
309 WORD(MT_EE_TX_POWER_HT_64_QAM),
310 MT_EE_ELAN_RX_MODE_GAIN,
311 MT_EE_ELAN_RX_MODE_NF,
312 MT_EE_ELAN_RX_MODE_P1DB,
313 MT_EE_ELAN_BYPASS_MODE_GAIN,
314 MT_EE_ELAN_BYPASS_MODE_NF,
315 MT_EE_ELAN_BYPASS_MODE_P1DB,
316 WORD(MT_EE_STEP_NUM_NEG_6_7),
317 WORD(MT_EE_STEP_NUM_NEG_4_5),
318 WORD(MT_EE_STEP_NUM_NEG_2_3),
319 WORD(MT_EE_STEP_NUM_NEG_0_1),
320 WORD(MT_EE_REF_STEP_24G),
321 WORD(MT_EE_STEP_NUM_PLUS_1_2),
322 WORD(MT_EE_STEP_NUM_PLUS_3_4),
323 WORD(MT_EE_STEP_NUM_PLUS_5_6),
324 MT_EE_STEP_NUM_PLUS_7,
325 MT_EE_XTAL_FREQ_OFFSET,
326 MT_EE_XTAL_TRIM_2_COMP,
327 MT_EE_XTAL_TRIM_3_COMP,
330 /* unknown fields below */
341 WORD(0x130), WORD(0x132), WORD(0x134), WORD(0x136),
342 WORD(0x138), WORD(0x13a), WORD(0x13c), WORD(0x13e),
359 .len = ARRAY_SIZE(req_fields) - 1,
361 const int size = 0xff * sizeof(struct req_data);
362 u8 *req, *eep = (u8 *)dev->mt76.eeprom.data;
363 int i, ret, len = sizeof(req_hdr) + size;
364 struct req_data *data;
366 BUILD_BUG_ON(ARRAY_SIZE(req_fields) * sizeof(*data) > size);
368 req = kmalloc(len, GFP_KERNEL);
372 memcpy(req, &req_hdr, sizeof(req_hdr));
373 data = (struct req_data *)(req + sizeof(req_hdr));
374 memset(data, 0, size);
375 for (i = 0; i < ARRAY_SIZE(req_fields); i++) {
376 data[i].addr = cpu_to_le16(req_fields[i]);
377 data[i].val = eep[req_fields[i]];
380 ret = __mt76_mcu_send_msg(&dev->mt76, MCU_EXT_CMD_EFUSE_BUFFER_MODE,
387 static int mt7603_mcu_set_tx_power(struct mt7603_dev *dev)
394 u8 rate_power_delta[14];
396 u8 ch_power_delta[6];
397 u8 temp_comp_power[17];
400 .center_channel = dev->mt76.chandef.chan->hw_value,
401 #define EEP_VAL(n) ((u8 *)dev->mt76.eeprom.data)[n]
402 .tssi = EEP_VAL(MT_EE_NIC_CONF_1 + 1),
403 .temp_comp = EEP_VAL(MT_EE_NIC_CONF_1),
405 EEP_VAL(MT_EE_TX_POWER_0_START_2G + 2),
406 EEP_VAL(MT_EE_TX_POWER_1_START_2G + 2)
408 .bw_power_delta = EEP_VAL(MT_EE_TX_POWER_DELTA_BW40),
410 EEP_VAL(MT_EE_TX_POWER_0_START_2G + 3),
411 EEP_VAL(MT_EE_TX_POWER_0_START_2G + 4),
412 EEP_VAL(MT_EE_TX_POWER_0_START_2G + 5),
413 EEP_VAL(MT_EE_TX_POWER_1_START_2G + 3),
414 EEP_VAL(MT_EE_TX_POWER_1_START_2G + 4),
415 EEP_VAL(MT_EE_TX_POWER_1_START_2G + 5)
419 u8 *eep = (u8 *)dev->mt76.eeprom.data;
421 memcpy(req.rate_power_delta, eep + MT_EE_TX_POWER_CCK,
422 sizeof(req.rate_power_delta));
424 memcpy(req.temp_comp_power, eep + MT_EE_STEP_NUM_NEG_6_7,
425 sizeof(req.temp_comp_power));
427 return __mt76_mcu_send_msg(&dev->mt76, MCU_EXT_CMD_SET_TX_POWER_CTRL,
428 &req, sizeof(req), true);
431 int mt7603_mcu_set_channel(struct mt7603_dev *dev)
433 struct cfg80211_chan_def *chandef = &dev->mt76.chandef;
434 struct ieee80211_hw *hw = mt76_hw(dev);
435 int n_chains = hweight8(dev->mt76.antenna_mask);
446 .control_chan = chandef->chan->hw_value,
447 .center_chan = chandef->chan->hw_value,
449 .tx_streams = n_chains,
450 .rx_streams = n_chains,
455 if (dev->mt76.chandef.width == NL80211_CHAN_WIDTH_40) {
457 if (chandef->center_freq1 > chandef->chan->center_freq)
458 req.center_chan += 2;
460 req.center_chan -= 2;
463 tx_power = hw->conf.power_level * 2;
464 if (dev->mt76.antenna_mask == 3)
466 tx_power = min(tx_power, dev->tx_power_limit);
468 dev->mt76.txpower_cur = tx_power;
470 for (i = 0; i < ARRAY_SIZE(req.txpower); i++)
471 req.txpower[i] = tx_power;
473 ret = __mt76_mcu_send_msg(&dev->mt76, MCU_EXT_CMD_CHANNEL_SWITCH,
474 &req, sizeof(req), true);
478 return mt7603_mcu_set_tx_power(dev);